BlockReduce - Scaling Proof-of-Work Blockchains. - Yanni Georghiades; Karl Kreder; Jonathan Downing; Alan Orwick; Sriram Vishwanath (CoRR, 2021)

Scalable Multi-Chain Coordination via the Hierarchical Longest Chain Rule. - Yanni Georghiades; Karl Kreder; Jonathan Downing; Alan Orwick; Sriram Vishwanath (Blockchain, 2022)